Rio Tinto plans 360 MWh thermal battery for Australian alumina refinery

Rio Tinto is assessing a 360 MWh thermal battery system at its Yarwun alumina refinery in Australia to replace fossil fuels in steam production, potentially reducing annual emissions by 67,000 metric tons of CO2.

First covered Oct 21, 2026 · 3:37 PM PT · 2 articles · no longer in the live window

Coverage

20d PV Magazine Rio Tinto plans 360 MWh thermal battery for Australian alumina refinery — Rio Tinto is assessing a 360 MWh thermal battery to replace fossil fuels in alumina refining, with the proposed Australian project potentially cutting annual…

20d Electrek Rio Tinto eyes a giant hot-brick battery to cut fossil fuel use — Rio Tinto wants to put Australia’s cheap midday electricity to work at its Yarwun alumina refinery – by storing it in hot bricks and using that heat battery to…

More coverage from around the web

alcircle.com Rio Tinto plans 360 MWh heat battery, Australia’s largest for Yarwun alumina refinery

news.metal.com [SMM Aluminum Express News] Rio Tinto plans 360 MWh thermal energy sto - Shanghai Metals Market (SMM)

sec.gov RIO TINTO PLC - Form 6-K - FY2025

sec.gov RIO TINTO PLC - Form 6-K - FY2023

sec.gov RIO TINTO PLC - Form 20-F - FY2007

Appeared in: 2026-10-22 (#2)

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